public class Double2 {
    public static void main(String[] args) {
        int[][] s=new int[50][100];
        int row;//col是列
        for (int i=0;i<100;i++){
            row=(int)(25*Math.sin(Math.PI/100*i));
            s[25-row][i]=1;
        }
        for (int i=0;i<50;i++){
            for (int j=0;j<100;j++){
                if (s[i][j]==1)
                    System.out.print("*");
                else
                    System.out.print(" ");
            }
            System.out.println();

        }

    }
}
